STEM April’s Daily Holiday Challenges are great ways to engage your students in fun ways to learn historical facts and engage in STEM thinking. Students will love learning about The Days of April. Did you know that April 1st is One Cent Day or April 3rd is Find a Rainbow Day? Everyday is a holiday STEM Challenges have an activity or a suggestion that will engage your students in a fun way to learn each day. If you have the Everyday is a Holiday Cards, these are similar just with more of a STEM connection.